#include<stdio.h>
#include<string.h>

int v[100]={0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,
	    8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,
	    0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,
	    0,7,1,0}, n, t;
char s[102];


FILE *in=fopen("cifra.in","r");
FILE *out=fopen("cifra.out","w");



int main()
{
  char ch[10];
  fscanf(in,"%d",&t);
  fgets(ch,10,in);
  for (int i=1; i<=t; i++)
   {
    fgets(s,102,in);
    n=0;
    if (s[strlen(s)-1]=='\n')
      { s[strlen(s)-1]=' ';
	if(strlen(s)>=3)
	  n=(s[strlen(s)-3]-'0')*10+(s[strlen(s)-2])-'0';
	 else  n=s[strlen(s)-2]-'0';
      }
     else
	if(strlen(s)>=2)
	  n=(s[strlen(s)-2]-'0')*10+(s[strlen(s)-1])-'0';
	 else  n=s[strlen(s)-1]-'0';
    fprintf(out,"%d\n",v[n]);
   }
  fcloseall();
  return 0;
}